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Finding the Fourth Proportional to 364,053.40, 502,332.78 and 202,873.12

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Solution

The fourth proportional to 364,053.40, 502,332.78 and 202,873.12 is: 279,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,053.40 : 502,332.78 = 202,873.12 : x
  2. Step 2: Convert to fraction form
    364,053.40/502,332.78 = 202,873.12/x
  3. Step 3: Cross multiply
    364,053.40x = 502,332.78 × 202,873.12
  4. Step 4: Simplify right side
    364,053.40x = 101,909,818,356.87
  5. Step 5: Solve for x
    x = 101,909,818,356.87/364,053.40
  6. Step 6: Final answer
    x = 279,930.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.